initial commit of OpenAL create/destroy test
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Brian Matzon
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/*
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* Copyright (c) 2002 Lightweight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Lightweight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.test.openal;
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import org.lwjgl.Sys;
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import org.lwjgl.openal.AL;
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import org.lwjgl.openal.ALC;
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import org.lwjgl.openal.ALCcontext;
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import org.lwjgl.openal.ALCdevice;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.IntBuffer;
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/**
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* $Id$
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* <br>
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* Performs a creation test, by creating and destroying OpenAL twice.
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* We cannot inherit from BasicTest since it follows another structure.
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*
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* @author Brian Matzon <brian@matzon.dk>
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* @version $Revision$
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*/
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public class OpenALCreationTest {
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/** OpenAL instance */
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protected AL al;
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/** OpenAL Context instance */
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protected ALC alc;
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/** OpenAL context */
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protected ALCcontext context;
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/** OpenAL device */
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protected ALCdevice device;
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/**
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* Creates an instance of OpenALCreationTest
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*/
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public OpenALCreationTest() {
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al = new AL();
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alc = new ALC();
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}
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public void alInitialize() {
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try {
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al.create();
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} catch (Exception e) {
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e.printStackTrace();
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return;
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}
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try {
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alc.create();
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} catch (Exception e) {
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e.printStackTrace();
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return;
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}
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// get default device
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device = alc.openDevice(null);
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if (device == null) {
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throw new RuntimeException("Error creating device");
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}
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//create context (no attributes specified)
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context = alc.createContext(device, 0);
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if (context == null) {
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throw new RuntimeException("Error creating context");
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}
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//make context current
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alc.makeContextCurrent(context);
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if (alc.getError(device) != ALC.NO_ERROR) {
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throw new RuntimeException("An error occurred while making context current");
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}
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}
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public void alExit() {
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//Get active context
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context = alc.getCurrentContext();
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//Get device for active context
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device = alc.getContextsDevice(context);
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//Disable context
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alc.makeContextCurrent(null);
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//Release context(s)
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alc.destroyContext(context);
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//Close device
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alc.closeDevice(device);
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// destroy al/c
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alc.destroy();
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al.destroy();
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}
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/**
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* Creates an integer buffer to hold specified ints
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* - strictly a utility method
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*
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* @param size how many int to contain
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* @return created IntBuffer
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*/
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protected IntBuffer createIntBuffer(int size) {
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ByteBuffer temp = ByteBuffer.allocateDirect(4 * size);
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temp.order(ByteOrder.nativeOrder());
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return temp.asIntBuffer();
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}
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/**
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* Exits the test NOW, printing errorcode to stdout
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*
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* @param error Error code causing exit
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*/
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protected void exit(int error) {
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System.out.println("OpenAL Error: " + al.getString(error));
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alExit();
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System.exit(-1);
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}
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/**
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* Runs the actual test, using supplied arguments
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*/
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protected void execute(String[] args) {
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int lastError;
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//initialize AL, using ALC
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System.out.print("initialize...");
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alInitialize();
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System.out.println("success");
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//do some audio
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executeAudioTest();
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//shutdown
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System.out.print("shutdown...");
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alExit();
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System.out.println("success");
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//initialize AL, using ALC
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System.out.print("initialize...");
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alInitialize();
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System.out.println("success");
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//do some audio
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executeAudioTest();
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//shutdown
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System.out.print("shutdown...");
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alExit();
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System.out.println("success");
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}
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/**
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* Executes the audio test, which just plays some sound
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*/
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private void executeAudioTest() {
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int lastError;
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//create 1 buffer and 1 source
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IntBuffer buffers = createIntBuffer(1);
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IntBuffer sources = createIntBuffer(1);
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// al generate buffers and sources
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al.genBuffers(1, Sys.getDirectBufferAddress(buffers));
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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al.genSources(1, Sys.getDirectBufferAddress(sources));
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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//load wave data
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WaveData wavefile = WaveData.create("Footsteps.wav");
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//copy to buffers
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al.bufferData(
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buffers.get(0),
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wavefile.format,
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Sys.getDirectBufferAddress(wavefile.data),
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wavefile.data.capacity(),
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wavefile.samplerate);
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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//unload file again
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wavefile.dispose();
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//set up source input
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al.sourcei(sources.get(0), AL.BUFFER, buffers.get(0));
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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//lets loop the sound
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al.sourcei(sources.get(0), AL.LOOPING, AL.TRUE);
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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//play source 0
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al.sourcePlay(sources.get(0));
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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//wait 5 secs
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try {
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System.out.print("Playing 'Footsteps.wav' for 2 seconds...");
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Thread.sleep(2000);
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} catch (InterruptedException inte) {
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}
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System.out.println("done");
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//stop source 0
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al.sourceStop(sources.get(0));
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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//delete buffers and sources
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al.deleteSources(1, Sys.getDirectBufferAddress(sources));
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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al.deleteBuffers(1, Sys.getDirectBufferAddress(buffers));
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if ((lastError = al.getError()) != AL.NO_ERROR) {
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exit(lastError);
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}
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}
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/**
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* main entry point
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*
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* @param args String array containing arguments
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*/
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public static void main(String[] args) {
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OpenALCreationTest oalCreationTest = new OpenALCreationTest();
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oalCreationTest.execute(args);
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}
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}
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